21551277440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23017}}^1$

素因数の和:23073

約数の個数: 256

約数和(自身を含む): 67617676800

約数和(自身を除く): 46066399360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 640, 665, 704, 760, 770, 836, 880, 896, 1045, 1064, 1120, 1216, 1232, 1330, 1408, 1463, 1520, 1540, 1672, 1760, 2090, 2128, 2240, 2432, 2464, 2660, 2926, 3040, 3080, 3344, 3520, 4180, 4256, 4480, 4928, 5320, 5852, 6080, 6160, 6688, 7040, 7315, 8360, 8512, 9856, 10640, 11704, 12160, 12320, 13376, 14630, 16720, 17024, 21280, 23017, 23408, 24640, 26752, 29260, 33440, 42560, 46034, 46816, 49280, 58520, 66880, 85120, 92068, 93632, 115085, 117040, 133760, 161119, 184136, 187264, 230170, 234080, 253187, 322238, 368272, 437323, 460340, 468160, 506374, 644476, 736544, 805595, 874646, 920680, 936320, 1012748, 1265935, 1288952, 1473088, 1611190, 1749292, 1772309, 1841360, 2025496, 2186615, 2531870, 2577904, 2946176, 3061261, 3222380, 3498584, 3544618, 3682720, 4050992, 4373230, 4810553, 5063740, 5155808, 6122522, 6444760, 6997168, 7089236, 7365440, 8101984, 8746460, 8861545, 9621106, 10127480, 10311616, 12245044, 12889520, 13994336, 14178472, 14730880, 15306305, 16203968, 17492920, 17723090, 19242212, 20254960, 20623232, 24052765, 24490088, 25779040, 27988672, 28356944, 30612610, 32407936, 33673871, 34985840, 35446180, 38484424, 40509920, 48105530, 48980176, 51558080, 55977344, 56713888, 61225220, 67347742, 69971680, 70892360, 76968848, 81019840, 96211060, 97960352, 103116160, 113427776, 122450440, 134695484, 139943360, 141784720, 153937696, 162039680, 168369355, 192422120, 195920704, 226855552, 244900880, 269390968, 279886720, 283569440, 307875392, 336738710, 384844240, 391841408, 489801760, 538781936, 567138880, 615750784, 673477420, 769688480, 979603520, 1077563872, 1134277760, 1346954840, 1539376960, 1959207040, 2155127744, 2693909680, 3078753920, 4310255488, 5387819360, 10775638720, 21551277440]

約数ペア:

[(1, 21551277440), (2, 10775638720), (4, 5387819360), (5, 4310255488), (7, 3078753920), (8, 2693909680), (10, 2155127744), (11, 1959207040), (14, 1539376960), (16, 1346954840), (19, 1134277760), (20, 1077563872), (22, 979603520), (28, 769688480), (32, 673477420), (35, 615750784), (38, 567138880), (40, 538781936), (44, 489801760), (55, 391841408), (56, 384844240), (64, 336738710), (70, 307875392), (76, 283569440), (77, 279886720), (80, 269390968), (88, 244900880), (95, 226855552), (110, 195920704), (112, 192422120), (128, 168369355), (133, 162039680), (140, 153937696), (152, 141784720), (154, 139943360), (160, 134695484), (176, 122450440), (190, 113427776), (209, 103116160), (220, 97960352), (224, 96211060), (266, 81019840), (280, 76968848), (304, 70892360), (308, 69971680), (320, 67347742), (352, 61225220), (380, 56713888), (385, 55977344), (418, 51558080), (440, 48980176), (448, 48105530), (532, 40509920), (560, 38484424), (608, 35446180), (616, 34985840), (640, 33673871), (665, 32407936), (704, 30612610), (760, 28356944), (770, 27988672), (836, 25779040), (880, 24490088), (896, 24052765), (1045, 20623232), (1064, 20254960), (1120, 19242212), (1216, 17723090), (1232, 17492920), (1330, 16203968), (1408, 15306305), (1463, 14730880), (1520, 14178472), (1540, 13994336), (1672, 12889520), (1760, 12245044), (2090, 10311616), (2128, 10127480), (2240, 9621106), (2432, 8861545), (2464, 8746460), (2660, 8101984), (2926, 7365440), (3040, 7089236), (3080, 6997168), (3344, 6444760), (3520, 6122522), (4180, 5155808), (4256, 5063740), (4480, 4810553), (4928, 4373230), (5320, 4050992), (5852, 3682720), (6080, 3544618), (6160, 3498584), (6688, 3222380), (7040, 3061261), (7315, 2946176), (8360, 2577904), (8512, 2531870), (9856, 2186615), (10640, 2025496), (11704, 1841360), (12160, 1772309), (12320, 1749292), (13376, 1611190), (14630, 1473088), (16720, 1288952), (17024, 1265935), (21280, 1012748), (23017, 936320), (23408, 920680), (24640, 874646), (26752, 805595), (29260, 736544), (33440, 644476), (42560, 506374), (46034, 468160), (46816, 460340), (49280, 437323), (58520, 368272), (66880, 322238), (85120, 253187), (92068, 234080), (93632, 230170), (115085, 187264), (117040, 184136), (133760, 161119)]